<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>13.label的for属性</title>
</head>
<body>
<input type="checkbox" id="cb1">
<label for="cb1">男</label>
<hr>
<input type="checkbox" id="cb2">
<label for="cb2">女</label>
</body>

</html>